18 
NATURAL HISTORY. 
[EAST. ZOOL. 
and in marshes, feeding on worms, &e. ; as the water rail, crake galli- 
nule, olivaceous gallinule of Britain, clapper rail of North America, &c. 
Cases 133, 134. The Gallinules are found on the rivers and 
lakes, among the reeds, seeking their food, which consists of worms 
and larvae of insects, as the purple gallinule of Europe, black-backed 
gallinule of Australia, &c.; Martinico gallinule of South America; 
common gallinule of Europe, &c. 
Case 134. The Finfoots are peculiar to South America and 
Western Africa; as the American finfoot, &c. 
Wall Cases 135—166. The Web-footed Birds. 
Case 135. The Flamingos, which are found in the warmer parts of 
Europe, &e., on the banks of rivers and lakes, feeding on small shell¬ 
fish, which they seize by inverting the head, to employ with advantage 
the crook of the upper mandible; as the red flamingo, &c. 
Cases 136, 137. The Spur-winged Geese inhabit Asia, Africa, 
and Australia; as the spur-winged goose, black-backed goose, &c. 
Cases 137—139. The Geese are found in various parts of the world, 
during their periodical flight; their food consists of grain and grass; as 
the New Holland cereopsis, Magellanic goose, Canada goose, barred 
headed goose of India, grey-legged goose, and white-fronted goose of 
Europe, &c. 
Cases 140—142. The Swans are remarkable for their graceful ap¬ 
pearance upon the water, and are found in most parts of the world; 
they feed on roots of aquatic plants, &c.; as the whistling swans, black¬ 
necked swan, &c. 
Cases 143—146. The true Ducks: these birds are inhabitants of 
the lakes and rivers of the interior, but occasionally resort to the sea¬ 
shore of various parts of the world ; their food consists of vegetables, 
insects, and shell-fish, as the red-billed whistling duck of South America; 
shieldrake, widgeon, pintail duck, common teal, &c., of Europe; 
Chinese teal, and others. 
Cases 147—149. The Sea Ducks are principally inhabitants of the 
ocean or saline lakes, and are sometimes found on rivers of the inte¬ 
rior, seeking for small crabs, shell-fish, &c.; as the scoter duck, eider 
duck, tufted duck, nyroca duck, red-crested duck of Europe, &c. 
Case 149. The Spinous-tailed Ducks are found in the warmer 
parts of the world, as the lobated duck of Australia, Ural duck, &c. 
Case 150. The Mergansers inhabit the Arctic regions; their food 
consists principally of fish, &c. ; as the goosander merganser, red¬ 
breasted merganser, hooded merganser, &c. 
Cases 151,152 contain the Divers: they form two divisions. 
Case 151. The true Divers are found in northern regions, and 
are rapid divers, feeding on fish ; as the northern diver, black-throated 
diver, &c. 
Case 152. The Grebes inhabit most parts of the world, feeding on 
small fish, crabs, &c.; as the eared grebe, crested grebe, &c., of Europe. 
Cases 153, 154 contain the Auks; these are oceanic birds, inhabit¬ 
ing the Arctic circles, feeding on fish and other marine productions, 
and are thus divided: 
Case 153. The true Auks ; as the great auk of Orkney, puffin auk, 
razor-billed auk of the British shores, &c. 
